[tvla] Fix bug in specific AES TVLA for only a subset of bytes/rounds
[tvla] Fix bug in specific AES TVLA for only a subset of bytes/rounds

Without this commit, it could happen that the wrong bytes/rounds would
be selected for the final results/figure plotting step in case only a
subset of bytes/rounds were analyzed.

Signed-off-by: Pirmin Vogel <386a7fc8e7338ed7899b4d9883c0ebec5de81366@lowrisc.org>

lowRISC/ot-sca,lowRISC/ot-sca